Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual condado teve 6.807 domicílios e uma renda familiar mediana de $49.865?
 ###Tabelas: CREATE TABLE third_round_saturday (third_round_saturday_id AUTO_INCREMENT PRIMARY KEY, Place VARCHAR, Player VARCHAR, Country VARCHAR, Score VARCHAR, To par VARCHAR) CREATE TABLE 2011_classic_superbike_practice_times_and_leaderboard (2011_classic_superbike_practice_times_and_leaderboard_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 20 Aug VARCHAR, Mon 22 Aug VARCHAR, Tues 23 Aug VARCHAR, Wed 24 Aug VARCHAR, Thurs 25 Aug VARCHAR, Fri 26 Aug VARCHAR, Sat 27 Aug VARCHAR, Mon 29 Aug VARCHAR, Wed 31 Aug VARCHAR) CREATE TABLE wisconsin_counties_ranked_by_per_capita_income (wisconsin_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE ships_cruising_in_asia (ships_cruising_in_asia_id AUTO_INCREMENT PRIMARY KEY, Ship name VARCHAR, Year built INT, Length VARCHAR, Crew INT, Guests INT, Staterooms INT, Comments VARCHAR) CREATE TABLE high_jump (high_jump_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Athlete VARCHAR, Country VARCHAR, Height VARCHAR, Points INT, Adjusted Points INT)  
SELECT County FROM wisconsin_counties_ranked_by_per_capita_income WHERE Number of households > 6,807 AND Median family income = $49,865